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7th Grade Body Review
Test Description: Review for the Unit test
Instructions: Answer all questions to get your test result.
1) Miko wonders which of her friends can run the fastest. She decides that a race, starting at the maple tree and ending at the oak tree, will answer her question. Which variable(s) is she planning to control?
A
Time
B
Both time and distance
C
Neither time or distance
D
Distance
2) Scientists who study people should be aware that:
A
People are all the same
B
No conclusions can be made about people
C
Each person is different, so conclusions can only be about individuals
D
People cary in their responses, but general conclusions can be made
3) Scientists collect evidence by making _________.
A
Observations
B
Inferences
C
Hypotheses
D
Opinions
4) Today a clinical trial of a new medicine would most likely include:
A
Large sample size
B
Use of a placebo
C
Informed consent
D
All of the above
5) A school is about to buy laptops. Which of the following information about the laptops is qualitative?
A
Screen Size
B
Weight
C
Color
D
Amount of memory
6) Which of the following structures is part of the human respiratory system?
A
Nose
B
Pancreas
C
None of the above
D
Aorta
7) An important function of the digestive system is to:
A
Absorb nutrients
B
Absorb oxygen
C
Control muscle movement
D
Transport nutrients
8) When coronary arteries become completely clocked, the result is often:
A
Memory loss
B
Stroke
C
High blood pressure
D
Heart attack
9) For food to be absorbed by our body, which of the following must occur?
A
Both
B
Mechanical Digestion
C
Chemical Digestion
D
Neither
10) Which of the following is an involuntary risk factor for heart disease?
A
Age
B
Smoking
C
A high calorie diet
D
Frequency of exercise
11) The sound of the heart (lub-dub) is caused by:
A
The arteries closing
B
The valves closing
C
The arteries contracting
D
The ventricles contracting
12) Blood transports:
A
Nutrients
B
Carbon Dioxide
C
Oxygen
D
All of the above
*select an answer for all questions
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